National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)s

National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

111 Protocols (54 Active Accrual of new subjects, 57 Follow-up of previously enrolled subjects)


Active Follow-up, Protocols NOT Recruiting New Patients 
* 05-CH-0037:
The Effects of Hydrocortisone, Melatonin, and Placebo on Symptoms of Jet Lag

* 05-CH-0013:
Adrenal Function in Critical Illness

* 03-DK-0257:
Phase II Trial of Effect of Metreleptin Therapy in Severe Insulin Resistance

* 03-DK-0256:
Inhibition of Intestinal Glucose Absorption by the Bioflavonoid Quercetin in the Obese and in Obese Type 2 Diabetics

* OH99-DK-N019:
The Food Intake Phenotype: Assessing Eating Behavior and Food Preferences as Risk Factors for Obesity

* OH82-DK-0136:
Cross-Sectional and Longitudinal Studies of 'Pre-Diabetes'

* 94-DK-0133:
Genetic Markers for Focal Segmental Glomerulosclerosis

* 94-DK-0127:
Pathogenesis of Glomerulosclerosis

* 92-DK-0033:
Pharmacokinetics and Biodistribution of Ascorbic Acid in Healthy Human Subjects

* 90-DK-0137:
Evaluation of the Gastrinoma in Patients with Zollinger-Ellison Syndrome

* 87-DK-0029:
Diagnosis and Treatment of Patients with Cystic Fibrosis

Previous 100 Protocols

12/13/2025